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Diamyd Medical AB (publ) (STO:DMYD B) surges 17%; individual investors who own 58% shares profited along with institutions

Simply Wall St·12/30/2025 04:23:33
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Key Insights

  • Significant control over Diamyd Medical by individual investors implies that the general public has more power to influence management and governance-related decisions
  • 42% of the business is held by the top 21 shareholders
  • Insiders own 12% of Diamyd Medical

A look at the shareholders of Diamyd Medical AB (publ) (STO:DMYD B) can tell us which group is most powerful. The group holding the most number of shares in the company, around 58% to be precise, is individual investors. Put another way, the group faces the maximum upside potential (or downside risk).

While individual investors were the group that reaped the most benefits after last week’s 17% price gain, institutions also received a 29% cut.

Let's delve deeper into each type of owner of Diamyd Medical, beginning with the chart below.

Check out our latest analysis for Diamyd Medical

ownership-breakdown
OM:DMYD B Ownership Breakdown December 30th 2025

What Does The Institutional Ownership Tell Us About Diamyd Medical?

Many institutions measure their performance against an index that approximates the local market. So they usually pay more attention to companies that are included in major indices.

Diamyd Medical already has institutions on the share registry. Indeed, they own a respectable stake in the company. This implies the analysts working for those institutions have looked at the stock and they like it. But just like anyone else, they could be wrong. When multiple institutions own a stock, there's always a risk that they are in a 'crowded trade'. When such a trade goes wrong, multiple parties may compete to sell stock fast. This risk is higher in a company without a history of growth. You can see Diamyd Medical's historic earnings and revenue below, but keep in mind there's always more to the story.

earnings-and-revenue-growth
OM:DMYD B Earnings and Revenue Growth December 30th 2025

We note that hedge funds don't have a meaningful investment in Diamyd Medical. Our data shows that Avanza Fonder AB is the largest shareholder with 12% of shares outstanding. With 6.5% and 5.3% of the shares outstanding respectively, Bertil Lindkvist and Nordnet AB (publ) are the second and third largest shareholders.

A deeper look at our ownership data shows that the top 21 shareholders collectively hold less than half of the register, suggesting a large group of small holders where no single shareholder has a majority.

While it makes sense to study institutional ownership data for a company, it also makes sense to study analyst sentiments to know which way the wind is blowing. There is a little analyst coverage of the stock, but not much. So there is room for it to gain more coverage.

Insider Ownership Of Diamyd Medical

The definition of an insider can differ slightly between different countries, but members of the board of directors always count. Company management run the business, but the CEO will answer to the board, even if he or she is a member of it.

Insider ownership is positive when it signals leadership are thinking like the true owners of the company. However, high insider ownership can also give immense power to a small group within the company. This can be negative in some circumstances.

It seems insiders own a significant proportion of Diamyd Medical AB (publ). It has a market capitalization of just kr1.6b, and insiders have kr197m worth of shares in their own names. It is great to see insiders so invested in the business. It might be worth checking if those insiders have been buying recently.

General Public Ownership

The general public -- including retail investors -- own 58% of Diamyd Medical. This size of ownership gives investors from the general public some collective power. They can and probably do influence decisions on executive compensation, dividend policies and proposed business acquisitions.

Next Steps:

While it is well worth considering the different groups that own a company, there are other factors that are even more important. To that end, you should be aware of the 2 warning signs we've spotted with Diamyd Medical .

If you are like me, you may want to think about whether this company will grow or shrink. Luckily, you can check this free report showing analyst forecasts for its future.

NB: Figures in this article are calculated using data from the last twelve months, which refer to the 12-month period ending on the last date of the month the financial statement is dated. This may not be consistent with full year annual report figures.